cambial

简明释义

英[ˈkæmbaɪəl]美[ˈkæmbɪəl]

adj. 形成层的

英英释义

单词用法

同义词

反义词

例句

1.POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.

形成层细胞阶段和伸展生长阶段，POD主要分布在径壁上，尤其是细胞壁角隅处和初生纹孔场附近的细胞壁。

2.POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.

形成层细胞阶段和伸展生长阶段，POD主要分布在径壁上，尤其是细胞壁角隅处和初生纹孔场附近的细胞壁。

3.Wood is the product of cambial activity in trees, and the seasonal activity style of cambium directly influences wood biomass production, structures and properties.

木材（次生木质部）是树木形成层细胞分化的产物，形成层的活动方式不仅影响木材的产量，而且影响木材的结构和性质。

4.The variations of polysaccharide content and zymogram and activity of peroxidase, esterase and amylase isozyme were related to the periodicity of cambial activity.

过氧化物酶、酯酶和淀粉酶的同工酶酶谱及活性，以及多糖颗粒的贮量都随形成层活动周期的变化而变化。

5.Between primary xylem and primary phloem there are 2-3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.

初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。

6.Starch grains decreased progressively after cambial activity was resumed in early spring until they disappeared in all the stem tissues.

早春形成层恢复活动后，淀粉贮量逐渐减少直至消失。

7.The variability of esterase isozyme activity in the vascular tissues was in consistent with the periodicity of cambial activity.

酯酶同工酶的酶谱和酶活性亦随形成层的活动状态发生变化。

8.Increasing and decreasing of stored starch are closely related to the periodicity of cambial activity.

淀粉储量的消长与形成层活动周期有很强的相关关系。

9.The cambial 形成层 is crucial for the growth of trees.

形成层对树木的生长至关重要。

10.In botany, the cambial 形成层 produces new cells that contribute to the thickness of stems.

在植物学中，形成层产生新的细胞，促进茎的厚度增长。

11.The cambial 形成层 is located between the xylem and phloem in vascular plants.

形成层位于维管植物的木质部和韧皮部之间。

12.During the spring, the activity of the cambial 形成层 increases significantly.

在春季，形成层的活动显著增加。

13.The cambial 形成层 allows for secondary growth in dicotyledons.

形成层使双子叶植物能够进行次生生长。

作文

In the study of botany, the term cambial refers to the layer of tissue that is responsible for the growth of new cells in plants. This layer, known as the cambium, plays a crucial role in the secondary growth of stems and roots. The cambial layer is located between the xylem and phloem, which are essential for the transport of water, nutrients, and sugars throughout the plant. Understanding the function of the cambial layer is vital for botanists and horticulturists alike, as it directly impacts the overall health and size of a plant. The significance of the cambial layer cannot be overstated. As trees and other plants mature, they increase in girth through the activity of the cambium. Each year, the cambium produces new layers of xylem and phloem, contributing to the growth rings we observe in tree trunks. These rings not only tell us about the age of the tree but also provide insights into the environmental conditions during each growing season. For instance, a broader ring may indicate a year of plentiful rainfall, while a narrower ring could suggest drought conditions. Additionally, the cambial activity is influenced by various factors such as temperature, light, and soil moisture. During warmer months, the cambium is more active, leading to rapid growth. Conversely, in colder climates, the cambial layer becomes dormant, halting growth until favorable conditions return. This seasonal variation is crucial for survival, as it allows plants to conserve energy during unfavorable conditions. Moreover, the cambial layer is also of great importance in forestry and agriculture. Understanding how to manage the cambium can lead to improved practices in tree farming and crop production. For example, techniques such as selective thinning can enhance light penetration and stimulate cambial growth, resulting in healthier and more robust trees. Furthermore, grafting, a common horticultural practice, relies on the successful joining of the cambial layers of two different plants to create a new hybrid organism. This process showcases the adaptability and resilience of plants, as well as the critical role of the cambial layer in facilitating these changes. In conclusion, the cambial layer is an essential component of plant biology that warrants further exploration. Its role in growth, adaptation, and agricultural practices highlights its significance in both natural ecosystems and human endeavors. By deepening our understanding of the cambial layer, we can better appreciate the intricate processes that sustain plant life and contribute to the biodiversity of our planet. As we face challenges such as climate change and habitat destruction, knowledge of the cambial layer will be invaluable in developing strategies for conservation and sustainable management of our natural resources.

在植物学研究中，术语cambial指的是负责植物新细胞生长的组织层。这一层被称为形成层（cambium），在植物的茎和根的次生生长中起着至关重要的作用。cambial层位于木质部（xylem）和韧皮部（phloem）之间，这两者对于植物水分、营养和糖分的运输是必不可少的。理解cambial层的功能对植物学家和园艺师来说都是至关重要的，因为它直接影响到植物的整体健康和大小。 cambial层的重要性不容小觑。随着树木和其他植物的成熟，它们通过形成层的活动增加直径。每年，形成层会产生新的木质部和韧皮部层，形成我们在树干上观察到的年轮。这些年轮不仅告诉我们树木的年龄，还提供了关于每个生长季节环境条件的见解。例如，较宽的年轮可能表示丰沛的降雨年份，而较窄的年轮则可能表明干旱条件。 此外，cambial活动受多种因素的影响，如温度、光照和土壤湿度。在温暖的月份，形成层更为活跃，导致快速生长。相反，在寒冷的气候中，cambial层会进入休眠状态，直到有利条件返回，从而停止生长。这种季节性的变化对于生存至关重要，因为它使植物能够在不利条件下节省能量。 此外，cambial层在林业和农业中也具有重要意义。了解如何管理形成层可以改善树木种植和作物生产的实践。例如，选择性间伐等技术可以增强光线穿透力，刺激cambial生长，从而使树木更加健康和强壮。此外，嫁接是一种常见的园艺实践，它依赖于将两种不同植物的形成层成功结合以创造新的杂交生物。这一过程展示了植物的适应能力和韧性，以及cambial层在促进这些变化中的关键作用。 总之，cambial层是植物生物学中一个至关重要的组成部分，值得进一步探索。它在生长、适应和农业实践中的作用突显了其在自然生态系统和人类努力中的重要性。通过加深对cambial层的理解，我们可以更好地欣赏维持植物生命和促进我们星球生物多样性的复杂过程。随着我们面临气候变化和栖息地破坏等挑战，对cambial层的知识将在制定保护和可持续管理自然资源的策略中发挥重要作用。